OF THE KERGUELEN REGION OF THE GREAT SOUTHERN OCEAN. 467 



Articulina funalis, var. inornata — Known only from this area. 



Lagena alveolata, var. substriata — South Atlantic, tropical and South Pacific, 150 to 2350 fathoms. 



„ formosa, var. favosa — Tropical Pacific, 1850 fathoms. 



„ marginata, var. semimarginata — North, tropical and South Atlantic, tropical and South Pacific, 50 to 2600 fathoms. 

 Polymorphina sororia, var. cuspidata — North Atlantic, 808 to 1443 fathoms. 

 Globigerina hulloides, var. triloba — Cosmopolitan, surface and bottom. 



The distribution of these species of Foraminifera may be summarised thus : — - 



Geographical Distribution. — It will be observed that no fewer than 71 species (or 

 32 per cent, of the total number) are cosmopolitan, and that other 8 species (or 4 per 

 cent.) are almost cosmopolitan, having a world-wide distribution, except that they have 

 not yet been recorded from the Arctic regions. The remaining species are distributed 

 among the various regions of the oceans as follows : — 



111 species (or 50 per cent.) are represented in the North Atlantic. 



,, Tropical Pacific. 



,, South Pacific. 



,, South Atlantic. 



,, Tropical Atlantic. 



,, North Pacific. 



,, Magellan Strait. 



,, Mediterranean. 



,, Arctic. 



,, Indian Ocean (including 



Eed Sea). 



Bathymetrical Distribution. — It appears that a total of 178 species (or 81 per cent, 

 of the total number) occur both in deep water over 1000 fathoms and in lesser depths, 

 while 14 species (or 6 per cent.) are known only from deep water over 1000 fathoms, 

 and 14 species (or 6 per cent.) are known only from depths less than 1000 fathoms ; 147 

 species (or 67 per cent.) occur in shallow water under 150 fathoms. 



LIST vil#. 

 The following are the 14 species known only from deep water over 1000 fathoms : — 



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Kerarnosphcera murrayi. 

 Astrorhiza granulosa. 

 Aschemonella ramuliformis. 

 Reophax cylindrica. 

 Haplophragmium rotulatum. 



Tliurammina albicans. 

 Hornwsina ovicula. 

 Cyclammina orbicularis. 

 Virgulina subdepressa. 

 Lagena longispina. 



LIST VII h. 



Lagena quadralata. 



„ truncata. 

 Truncatulina pygmma. 

 Nonionina pompilioides. 



The following are the 14 species known only from depths under 1000 fathoms, of 

 which 6 species are known only from shallow water under 150 fathoms as indicated : — 



Nubecularia inflata. 



Miliolina subrotunda (shallow). 



Articulina funalis. 



Reophax ampullacea (shallow). 



Sagrina raphanus. 



Spirillina obconica (shallow). 



„ tuberculata. 



„ vivipara. 

 Patellina corrugata. 

 Discorbina parisiensis (shallow). 



Discorbina rosacea. 



,, vilardeboana (shallow). 



Polystomella crispa. 



„ macella (shallow). 



